有多种方法可以做到这一点:
选项1
另一种选择是创建多个开始/结束块
CREATE OR REPLACE PROCEDURE TEST_EXCEPTION (
book_id_in IN book.book_id%TYPE,
emp_id_in IN emp.emp_id%TYPE )
IS
v_book_desc book.description%TYPE; v_emp_name emp.emp_name%TYPE;
statementIndex number(1, 0);
BEGIN
BEGIN
SELECT description into v_book_desc FROM book WHERE book_id = book_id_in;
EXCEPTION WHEN NO_DATA_FOUND THEN
-- do your handling or raise a custom exception to be handled at end
END;
BEGIN
SELECT emp_name into v_emp_name FROM emp WHERE emp_id = emp_id_in;
EXCEPTION WHEN NO_DATA_FOUND THEN
-- do your handling or raise a custom exception to be handled at end
END;
EXCEPTION WHEN_OTHERS THEN
END TEST_EXCEPTION;
选项 2
另一种选择是使用游标;
使用游标%NOTFOUND
请参阅(http://www.unix.com.ua/orelly/oracle/langpkt/ch01_09.htm)了解游标
选项 3:从 Yapiskan 复制
CREATE OR REPLACE PROCEDURE TEST_EXCEPTION ( book_id_in IN book.book_id%TYPE, emp_id_in IN emp.emp_id%TYPE ) IS
v_book_desc book.description%TYPE; v_emp_name emp.emp_name%TYPE;
statementIndex number(1, 0);
BEGIN
statementIndex := 1;
SELECT description into v_book_desc FROM book WHERE book_id = book_id_in;
...
statementIndex := 2;
SELECT emp_name into v_emp_name FROM emp WHERE emp_id = emp_id_in;
...
EXCEPTION WHEN NO_DATA_FOUND THEN
if statementIndex = 1
then
/* Do something */
else
/* Do something */
endif;
END TEST_EXCEPTION;